638569404

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{84871}}^1$

素因数の和:84911

約数の個数: 72

約数和(自身を含む): 1853604480

約数和(自身を除く): 1215035076

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 3762, 7524, 84871, 169742, 254613, 339484, 509226, 763839, 933581, 1018452, 1527678, 1612549, 1867162, 2800743, 3055356, 3225098, 3734324, 4837647, 5601486, 6450196, 8402229, 9675294, 11202972, 14512941, 16804458, 17738039, 19350588, 29025882, 33608916, 35476078, 53214117, 58051764, 70952156, 106428234, 159642351, 212856468, 319284702, 638569404]

約数ペア:

[(1, 638569404), (2, 319284702), (3, 212856468), (4, 159642351), (6, 106428234), (9, 70952156), (11, 58051764), (12, 53214117), (18, 35476078), (19, 33608916), (22, 29025882), (33, 19350588), (36, 17738039), (38, 16804458), (44, 14512941), (57, 11202972), (66, 9675294), (76, 8402229), (99, 6450196), (114, 5601486), (132, 4837647), (171, 3734324), (198, 3225098), (209, 3055356), (228, 2800743), (342, 1867162), (396, 1612549), (418, 1527678), (627, 1018452), (684, 933581), (836, 763839), (1254, 509226), (1881, 339484), (2508, 254613), (3762, 169742), (7524, 84871)]